mirror of https://github.com/pragma-/pbot.git
458 lines
16 KiB
Perl
458 lines
16 KiB
Perl
# File: Interpreter.pm
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# Author: pragma_
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#
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# Purpose:
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package PBot::Interpreter;
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use warnings;
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use strict;
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use base 'PBot::Registerable';
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use Time::HiRes qw/gettimeofday/;
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use Time::Duration;
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use LWP::UserAgent;
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use Carp ();
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sub new {
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if(ref($_[1]) eq 'HASH') {
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Carp::croak("Options to " . __FILE__ . " should be key/value pairs, not hash reference");
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}
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my ($class, %conf) = @_;
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my $self = bless {}, $class;
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$self->initialize(%conf);
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return $self;
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}
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sub initialize {
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my ($self, %conf) = @_;
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$self->SUPER::initialize(%conf);
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$self->{pbot} = delete $conf{pbot} // Carp::croak("Missing pbot reference to " . __FILE__);
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$self->{pbot}->{registry}->add_default('text', 'general', 'compile_blocks', $conf{compile_blocks} // 1);
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$self->{pbot}->{registry}->add_default('array', 'general', 'compile_blocks_channels', $conf{compile_blocks_channels} // '.*');
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$self->{pbot}->{registry}->add_default('array', 'general', 'compile_blocks_ignore_channels', $conf{compile_blocks_ignore_channels} // 'none');
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$self->{pbot}->{registry}->add_default('text', 'general', 'paste_ratelimit', $conf{paste_ratelimit} // 60);
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$self->{pbot}->{registry}->add_default('text', 'interpreter', 'max_recursion', 10);
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$self->{output_queue} = {};
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$self->{last_paste} = 0;
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$self->{pbot}->{timer}->register(sub { $self->process_output_queue }, 1);
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}
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sub process_line {
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my $self = shift;
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my ($from, $nick, $user, $host, $text) = @_;
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my $command;
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my $has_code;
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my $nick_override;
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my $botnick = $self->{pbot}->{registry}->get_value('irc', 'botnick');
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my $processed = 0;
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$from = lc $from if defined $from;
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my $pbot = $self->{pbot};
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my $message_account = $pbot->{messagehistory}->get_message_account($nick, $user, $host);
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$pbot->{messagehistory}->add_message($message_account, "$nick!$user\@$host", $from, $text, $pbot->{messagehistory}->{MSG_CHAT});
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my $flood_threshold = $pbot->{registry}->get_value($from, 'chat_flood_threshold');
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my $flood_time_threshold = $pbot->{registry}->get_value($from, 'chat_flood_time_threshold');
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$flood_threshold = $pbot->{registry}->get_value('antiflood', 'chat_flood_threshold') if not defined $flood_threshold;
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$flood_time_threshold = $pbot->{registry}->get_value('antiflood', 'chat_flood_time_threshold') if not defined $flood_time_threshold;
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$pbot->{antiflood}->check_flood($from, $nick, $user, $host, $text,
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$flood_threshold, $flood_time_threshold,
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$pbot->{messagehistory}->{MSG_CHAT}) if defined $from;
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my $preserve_whitespace = 0;
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$text =~ s/^\s+//;
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$text =~ s/\s+$//;
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my $cmd_text = $text;
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$cmd_text =~ s/^\/me\s+//;
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# get channel-specific trigger if available
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my $bot_trigger = $pbot->{registry}->get_value($from, 'trigger');
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if (not defined $bot_trigger) {
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$bot_trigger = $pbot->{registry}->get_value('general', 'trigger');
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}
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my $referenced;
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my $count = 0;
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while (++$count <= 3) {
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$referenced = 0;
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$command = undef;
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$has_code = undef;
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if($cmd_text =~ s/^(?:$bot_trigger|$botnick.?)?\s*{\s*(.*)\s*}\s*$//) {
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$has_code = $1 if length $1;
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$preserve_whitespace = 1;
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$processed += 100;
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} elsif($cmd_text =~ s/^\s*([^,:\(\)\+\*\/ ]+)[,:]*\s*{\s*(.*)\s*}\s*$//) {
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$nick_override = $1;
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$has_code = $2 if length $2 and $nick_override !~ /^(?:enum|struct|union)$/;
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$preserve_whitespace = 1;
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$processed += 100;
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} elsif($cmd_text =~ s/^$bot_trigger(.*)$//) {
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$command = $1;
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$processed += 100;
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} elsif($cmd_text =~ s/^.?$botnick.?\s*(.*?)$//i) {
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$command = $1;
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$processed += 100;
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} elsif($cmd_text =~ s/^(.*?),?\s*$botnick[?!.]*$//i) {
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$command = $1;
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$processed += 100;
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} elsif ($cmd_text =~ s/\B$bot_trigger`([^`]+)// || $cmd_text =~ s/\B$bot_trigger\{([^}]+)//) {
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my $cmd = $1;
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my ($nick) = $cmd_text =~ m/^([^ ,:;]+)/;
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$nick = $self->{pbot}->{nicklist}->is_present($from, $nick);
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if ($nick) {
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$command = "tell $nick about $cmd";
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} else {
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$command = $cmd;
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}
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$referenced = 1;
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}
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last if not defined $command and not defined $has_code;
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if((!defined $command || $command !~ /^login /) && defined $from && $pbot->{ignorelist}->check_ignore($nick, $user, $host, $from)) {
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my $admin = $pbot->{admins}->loggedin($from, "$nick!$user\@$host");
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if (!defined $admin || $admin->{level} < 10) {
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# ignored hostmask
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return 1;
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}
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}
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if(defined $has_code) {
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$processed += 100; # ensure no other plugins try to parse this message
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if($pbot->{registry}->get_value('general', 'compile_blocks') and not $pbot->{registry}->get_value($from, 'no_compile_blocks')
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and not grep { $from =~ /$_/i } $pbot->{registry}->get_value('general', 'compile_blocks_ignore_channels')
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and grep { $from =~ /$_/i } $pbot->{registry}->get_value('general', 'compile_blocks_channels')) {
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if (not defined $nick_override or (defined $nick_override and $self->{pbot}->{nicklist}->is_present($from, $nick_override))) {
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$pbot->{factoids}->{factoidmodulelauncher}->execute_module($from, undef, $nick, $user, $host, $text, "compiler_block", (defined $nick_override ? $nick_override : $nick) . " $from $has_code }", $preserve_whitespace);
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}
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}
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} else {
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$processed++ if $self->handle_result($from, $nick, $user, $host, $text, $command, $self->interpret($from, $nick, $user, $host, 1, $command, undef, $referenced), 1, $preserve_whitespace);
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}
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}
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return $processed;
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}
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sub interpret {
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my $self = shift;
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my ($from, $nick, $user, $host, $depth, $command, $tonick, $referenced) = @_;
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my ($keyword, $arguments) = ("", "");
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my $text;
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my $pbot = $self->{pbot};
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$pbot->{logger}->log("=== Enter interpret_command: [" . (defined $from ? $from : "(undef)") . "][$nick!$user\@$host][$depth][$command]\n");
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return "Too many levels of recursion, aborted." if(++$depth > $self->{pbot}->{registry}->get_value('interpreter', 'max_recursion'));
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if(not defined $nick || not defined $user || not defined $host ||
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not defined $command) {
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$pbot->{logger}->log("Error 1, bad parameters to interpret_command\n");
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return undef;
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}
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if($command =~ /^tell\s+(.{1,20})\s+about\s+(.*?)\s+(.*)$/i)
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{
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($keyword, $arguments, $tonick) = ($2, $3, $1);
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} elsif($command =~ /^tell\s+(.{1,20})\s+about\s+(.*)$/i) {
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($keyword, $tonick) = ($2, $1);
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} elsif($command =~ /^(.*?)\s+(.*)$/) {
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($keyword, $arguments) = ($1, $2);
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} else {
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$keyword = $command;
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}
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if($keyword ne "factadd"
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and $keyword ne "add"
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and $keyword ne "factfind"
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and $keyword ne "find"
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and $keyword ne "factshow"
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and $keyword ne "show"
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and $keyword ne "factset"
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and $keyword ne "factchange"
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and $keyword ne "change"
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and $keyword ne "msg") {
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$keyword =~ s/(\w+)([?!.]+)$/$1/;
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$arguments =~ s/(?<![\w\/\-])me\b/$nick/gi if defined $arguments && $depth <= 2;
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}
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my $botnick = $self->{pbot}->{registry}->get_value('irc', 'botnick');
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if (defined $arguments && ($arguments =~ m/^(your|him|her|its|it|them|their)(self|selves)$/i || $arguments =~ m/^$botnick$/i)) {
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my $delay = (rand 10) + 8;
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my $message = {
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nick => $nick, user => $user, host => $host, command => $command, checkflood => 1,
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message => "$nick: Why would I want to do that to myself?"
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};
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$self->add_message_to_output_queue($from, $message, $delay);
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return undef;
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}
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if(not defined $keyword) {
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$pbot->{logger}->log("Error 2, no keyword\n");
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return undef;
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}
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return $self->SUPER::execute_all($from, $nick, $user, $host, $depth, $keyword, $arguments, $tonick, undef, $referenced);
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}
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sub truncate_result {
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my ($self, $from, $nick, $text, $original_result, $result, $paste) = @_;
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my $max_msg_len = $self->{pbot}->{registry}->get_value('irc', 'max_msg_len');
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if(length $result > $max_msg_len) {
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my $link;
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if($paste) {
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$link = $self->paste("[" . (defined $from ? $from : "stdin") . "] <$nick> $text\n\n$original_result");
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} else {
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$link = 'undef';
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}
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my $trunc = "... [truncated; ";
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if ($link =~ m/^http/) {
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$trunc .= "see $link for full text.]";
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} else {
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$trunc .= "$link]";
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}
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$self->{pbot}->{logger}->log("Message truncated -- pasted to $link\n") if $paste;
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my $trunc_len = length $result < $max_msg_len ? length $result : $max_msg_len;
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$result = substr($result, 0, $trunc_len);
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substr($result, $trunc_len - length $trunc) = $trunc;
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}
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return $result;
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}
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sub handle_result {
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my ($self, $from, $nick, $user, $host, $text, $command, $result, $checkflood, $preserve_whitespace) = @_;
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if (not defined $result or length $result == 0) {
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return 0;
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}
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my $original_result = $result;
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my $use_output_queue = 0;
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if (defined $command) {
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my ($cmd, $args) = split / /, $command, 2;
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if (not $self->{pbot}->{commands}->exists($cmd)) {
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my ($chan, $trigger) = $self->{pbot}->{factoids}->find_factoid($from, $cmd, $args, 1, 0, 1);
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if(defined $trigger) {
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if ($preserve_whitespace == 0) {
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$preserve_whitespace = $self->{pbot}->{factoids}->{factoids}->hash->{$chan}->{$trigger}->{preserve_whitespace};
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$preserve_whitespace = 0 if not defined $preserve_whitespace;
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}
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$use_output_queue = $self->{pbot}->{factoids}->{factoids}->hash->{$chan}->{$trigger}->{use_output_queue};
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$use_output_queue = 0 if not defined $use_output_queue;
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}
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}
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}
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my $preserve_newlines = $self->{pbot}->{registry}->get_value($from, 'preserve_newlines');
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$result =~ s/[\n\r]/ /g unless $preserve_newlines;
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$result =~ s/[ \t]+/ /g unless $preserve_whitespace;
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my $max_lines = $self->{pbot}->{registry}->get_value($from, 'max_newlines');
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$max_lines = 4 if not defined $max_lines;
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my $lines = 0;
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my $stripped_line;
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foreach my $line (split /[\n\r]+/, $result) {
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$stripped_line = $line;
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$stripped_line =~ s/^\s+//;
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$stripped_line =~ s/\s+$//;
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next if not length $stripped_line;
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if (++$lines >= $max_lines) {
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my $link = $self->paste("[" . (defined $from ? $from : "stdin") . "] <$nick> $text\n\n$original_result");
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if ($use_output_queue) {
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my $message = {
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nick => $nick, user => $user, host => $host, command => $command,
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message => "And that's all I have to say about that. See $link for full text.",
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checkflood => $checkflood
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};
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$self->add_message_to_output_queue($from, $message, 0);
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} else {
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$self->{pbot}->{conn}->privmsg($from, "And that's all I have to say about that. See $link for full text.");
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}
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last;
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}
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if ($preserve_newlines) {
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$line = $self->truncate_result($from, $nick, $text, $line, $line, 1);
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} else {
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$line = $self->truncate_result($from, $nick, $text, $original_result, $line, 1);
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}
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if ($use_output_queue) {
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my $delay = (rand 5) + 5; # initial delay for reading/processing user's message
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$delay += (length $line) / 7; # additional delay of 7 characters per second typing speed
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my $message = {
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nick => $nick, user => $user, host => $host, command => $command,
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message => $line, checkflood => $checkflood
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};
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$self->add_message_to_output_queue($from, $message, $delay);
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$delay = duration($delay);
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$self->{pbot}->{logger}->log("Final result ($delay delay) [$line]\n");
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} else {
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$self->output_result($from, $nick, $user, $host, $command, $line, $checkflood);
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$self->{pbot}->{logger}->log("Final result: [$line]\n");
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}
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}
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$self->{pbot}->{logger}->log("---------------------------------------------\n");
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return 1;
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}
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sub output_result {
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my ($self, $from, $nick, $user, $host, $command, $line, $checkflood) = @_;
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my ($pbot, $botnick) = ($self->{pbot}, $self->{pbot}->{registry}->get_value('irc', 'botnick'));
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if($line =~ s/^\/say\s+//i) {
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$pbot->{conn}->privmsg($from, $line) if defined $from && $from !~ /\Q$botnick\E/i;
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$pbot->{antiflood}->check_flood($from, $botnick, $pbot->{registry}->get_value('irc', 'username'), 'localhost', $line, 0, 0, 0) if $checkflood;
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} elsif($line =~ s/^\/me\s+//i) {
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$pbot->{conn}->me($from, $line) if defined $from && $from !~ /\Q$botnick\E/i;
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$pbot->{antiflood}->check_flood($from, $botnick, $pbot->{registry}->get_value('irc', 'username'), 'localhost', '/me ' . $line, 0, 0, 0) if $checkflood;
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} elsif($line =~ s/^\/msg\s+([^\s]+)\s+//i) {
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my $to = $1;
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if($to =~ /,/) {
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$pbot->{logger}->log("[HACK] Possible HACK ATTEMPT /msg multiple users: [$nick!$user\@$host] [$command] [$line]\n");
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}
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elsif($to =~ /.*serv$/i) {
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$pbot->{logger}->log("[HACK] Possible HACK ATTEMPT /msg *serv: [$nick!$user\@$host] [$command] [$line]\n");
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}
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elsif($line =~ s/^\/me\s+//i) {
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$pbot->{conn}->me($to, $line) if $to !~ /\Q$botnick\E/i;
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$pbot->{antiflood}->check_flood($to, $botnick, $pbot->{registry}->get_value('irc', 'username'), 'localhost', '/me ' . $line, 0, 0, 0) if $checkflood;
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} else {
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$line =~ s/^\/say\s+//i;
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$pbot->{conn}->privmsg($to, $line) if $to !~ /\Q$botnick\E/i;
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$pbot->{antiflood}->check_flood($to, $botnick, $pbot->{registry}->get_value('irc', 'username'), 'localhost', $line, 0, 0, 0) if $checkflood;
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}
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} else {
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$pbot->{conn}->privmsg($from, $line) if defined $from && $from !~ /\Q$botnick\E/i;
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$pbot->{antiflood}->check_flood($from, $botnick, $pbot->{registry}->get_value('irc', 'username'), 'localhost', $line, 0, 0, 0) if $checkflood;
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}
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}
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sub add_message_to_output_queue {
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my ($self, $channel, $message, $delay) = @_;
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if (exists $self->{output_queue}->{$channel}) {
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my $last_when = $self->{output_queue}->{$channel}->[-1]->{when};
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$message->{when} = $last_when + $delay;
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} else {
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$message->{when} = gettimeofday + $delay;
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}
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push @{$self->{output_queue}->{$channel}}, $message;
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}
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sub process_output_queue {
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my $self = shift;
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foreach my $channel (keys %{$self->{output_queue}}) {
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for (my $i = 0; $i < @{$self->{output_queue}->{$channel}}; $i++) {
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my $message = $self->{output_queue}->{$channel}->[$i];
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if (gettimeofday >= $message->{when}) {
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$self->output_result($channel, $message->{nick}, $message->{user}, $message->{host}, $message->{command}, $message->{message}, $message->{checkflood});
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splice @{$self->{output_queue}->{$channel}}, $i--, 1;
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}
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}
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if (not @{$self->{output_queue}->{$channel}}) {
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delete $self->{output_queue}->{$channel};
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}
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}
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}
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sub paste {
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my $self = shift;
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my $rate_limit = $self->{pbot}->{registry}->get_value('general', 'paste_ratelimit');
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my $now = gettimeofday;
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if ($now - $self->{last_paste} < $rate_limit) {
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return "paste rate-limited, try again in " . ($rate_limit - int($now - $self->{last_paste})) . " seconds";
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}
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$self->{last_paste} = $now;
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my $text = join(' ', @_);
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$text =~ s/(.{120})\s/$1\n/g;
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my $result = $self->paste_sprunge($text);
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if ($result =~ m/error pasting/) {
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$result = $self->paste_codepad($text);
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
sub paste_codepad {
|
|
my $self = shift;
|
|
my $text = join(' ', @_);
|
|
|
|
$text =~ s/(.{120})\s/$1\n/g;
|
|
|
|
my $ua = LWP::UserAgent->new();
|
|
$ua->agent("Mozilla/5.0");
|
|
push @{ $ua->requests_redirectable }, 'POST';
|
|
|
|
my %post = ( 'lang' => 'Plain Text', 'code' => $text, 'private' => 'True', 'submit' => 'Submit' );
|
|
my $response = $ua->post("http://codepad.org", \%post);
|
|
|
|
if(not $response->is_success) {
|
|
return "error pasting: " . $response->status_line;
|
|
}
|
|
|
|
return $response->request->uri;
|
|
}
|
|
|
|
sub paste_sprunge {
|
|
my $self = shift;
|
|
my $text = join(' ', @_);
|
|
|
|
$text =~ s/(.{120})\s/$1\n/g;
|
|
|
|
my $ua = LWP::UserAgent->new();
|
|
$ua->agent("Mozilla/5.0");
|
|
$ua->requests_redirectable([ ]);
|
|
|
|
my %post = ( 'sprunge' => $text, 'submit' => 'Submit' );
|
|
my $response = $ua->post("http://sprunge.us", \%post);
|
|
|
|
if(not $response->is_success) {
|
|
return "error pasting: " . $response->status_line;
|
|
}
|
|
|
|
my $result = $response->content;
|
|
$result =~ s/^\s+//;
|
|
$result =~ s/\s+$//;
|
|
return $result;
|
|
}
|
|
|
|
1;
|